1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <wtf/Hasher.h>
#include <wtf/Vector.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
class RenderBoxModelObject;
class RenderText;
class RenderedDocumentMarker;
struct TextBoxSelectableRange;
struct MarkedText {
// Sorted by paint order
enum class Type : uint8_t {
Unmarked,
GrammarError,
Correction,
SpellingError,
TextMatch,
DictationAlternatives,
Highlight,
FragmentHighlight,
#if ENABLE(APP_HIGHLIGHTS)
AppHighlight,
#endif
#if PLATFORM(IOS_FAMILY)
// FIXME: See <rdar://problem/8933352>. Also, remove the PLATFORM(IOS_FAMILY)-guard.
DictationPhraseWithAlternatives,
#endif
Selection,
DraggedContent,
};
enum class PaintPhase {
Background,
Foreground,
Decoration
};
enum class OverlapStrategy {
None,
Frontmost
};
MarkedText(unsigned startOffset, unsigned endOffset, Type type, const RenderedDocumentMarker* marker = nullptr, const AtomString& highlightName = { }, int priority = 0) : startOffset(startOffset), endOffset(endOffset), type(type), marker(marker), highlightName(highlightName), priority(priority) { };
MarkedText(WTF::HashTableDeletedValueType) : startOffset(std::numeric_limits<unsigned>::max()) { };
MarkedText() = default;
bool isEmpty() const { return endOffset <= startOffset; }
bool isHashTableDeletedValue() const { return startOffset == std::numeric_limits<unsigned>::max(); }
bool operator==(const MarkedText& other) const = default;
WEBCORE_EXPORT static Vector<MarkedText> subdivide(const Vector<MarkedText>&, OverlapStrategy = OverlapStrategy::None);
static Vector<MarkedText> collectForDocumentMarkers(const RenderText&, const TextBoxSelectableRange&, PaintPhase);
static Vector<MarkedText> collectForHighlights(const RenderText&, const TextBoxSelectableRange&, PaintPhase);
static Vector<MarkedText> collectForDraggedContent(const RenderText&, const TextBoxSelectableRange&);
unsigned startOffset { 0 };
unsigned endOffset { 0 };
Type type { Type::Unmarked };
const RenderedDocumentMarker* marker { nullptr };
AtomString highlightName;
int priority { 0 };
};
}
namespace WTF {
inline void add(Hasher& hasher, const WebCore::MarkedText& text)
{
add(hasher, text.startOffset, text.endOffset, text.type);
}
template<> struct HashTraits<WebCore::MarkedText> : public GenericHashTraits<WebCore::MarkedText> {
static void constructDeletedValue(WebCore::MarkedText& slot) { slot = WebCore::MarkedText(HashTableDeletedValue); }
static bool isDeletedValue(const WebCore::MarkedText& slot) { return slot.isHashTableDeletedValue(); }
};
template<> struct DefaultHash<WebCore::MarkedText> {
static unsigned hash(const WebCore::MarkedText& key)
{
return computeHash(key);
}
static bool equal(const WebCore::MarkedText& a, const WebCore::MarkedText& b)
{
return a == b;
}
static constexpr bool safeToCompareToEmptyOrDeleted = true;
};
} // namespace WTF
|
